Is OSAGE MUNICIPAL WATER SUPPLY's water safe to drink?
OSAGE MUNICIPAL WATER SUPPLY has a health-based violation on record, but none in the last five years - an older issue, not necessarily a current one. Population served: 3,637, over 1,952 connections.
How this compares nationally
OSAGE MUNICIPAL WATER SUPPLY has 13 violations on record in total, 9 of thems health-based - ranking it 2,249th of 12,903 systems by violation count, the 83th percentile nationally.
How OSAGE MUNICIPAL WATER SUPPLY compares within IA
OSAGE MUNICIPAL WATER SUPPLY's 9 health-based violations sit above the IA average of 3.5, across 203 systems statewide. The filter guide explains what a violation like this actually calls for.
Most recent violation on record
The last violation EPA has on record for OSAGE MUNICIPAL WATER SUPPLY is from 2016-12-06 (health-based: 2009-01-08). Last reported to EPA: 06/17/2026.
What kind of problem, specifically
OSAGE MUNICIPAL WATER SUPPLY's flagged contaminants and rule violations, grouped by what they actually mean for a filter choice rather than left as EPA's raw code list:
- Microbial contamination / treatment technique - flagged from: Coliform (TCR)
- Nitrate / nitrite - flagged from: Nitrate
The most severe category on record is microbial contamination / treatment technique, which points toward a microbial-class filter if you want to address it directly.
What this data is and is not
OSAGE MUNICIPAL WATER SUPPLY's numbers here come from its own required reporting to EPA under the Safe Drinking Water Act, not from an independent test of your glass of water. Water quality can still change between the meter and the faucet - household plumbing sits outside what a record of 13 logged violations can see. The guide to what this data misses covers that gap.